1320021432266 has 8 divisors (see below), whose sum is σ = 2005095846720. Its totient is φ = 651656150028.

The previous prime is 1320021432239. The next prime is 1320021432307. The reversal of 1320021432266 is 6622341200231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4177282856 + ... + 4177283171.

It is an arithmetic number, because the mean of its divisors is an integer number (250636980840).

Almost surely, 2^{1320021432266} is an apocalyptic number.

1320021432266 is a deficient number, since it is larger than the sum of its proper divisors (685074414454).

1320021432266 is an equidigital number, since it uses as much as digits as its factorization.

1320021432266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8354566108.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 1320021432266 its reverse (6622341200231), we get a palindrome (7942362632497).

The spelling of 1320021432266 in words is "one trillion, three hundred twenty billion, twenty-one million, four hundred thirty-two thousand, two hundred sixty-six".